Release Notes

UM Version 6.9.2

The most significant update to UM version 6.9.2 is the repair of a serious bug in LBT-RM and LBT-RU transports.

Attention
  There are some special upgrade instructions for UM versions 6.8 and beyond that will affect a small percentage of users upgrading from pre-6.8 versions of UM. See Special Upgrade Instructions for 6.8. For general upgrade instructions, see Upgrade Procedure. You are also advised to inspect the full list of Deprecations.

# Enhancements for 6.9.2 <-

## Streaming Enhancements for 6.9.2 <-

The following new features and enhancements apply to UMS, UMP, and UMQ products.

- None.

## Persistence Enhancements for 6.9.2 <-

The following new features and enhancements apply to UMP and UMQ products.

- None.

## Queuing Enhancements for 6.9.2 <-

The following new features and enhancements apply to the UMQ product.

- None.

## Dynamic Router Enhancements for 6.9.2 <-

The following new features and enhancements apply to the Dynamic Routing Option (DRO).

- None.

# Fixed Problems and Limitations for 6.9.2 <-

## Streaming Fixed Problems and Limitations for 6.9.2 <-

The following bug fixes apply to UMS, UMP, and UMQ products.

Change Request | Description
--- | ---
9927 | Fixed a problem with UDP transports LBT-RM and LBT-RU where sending a very large number of datagrams (more than 4 billion) results in a failed assertion [oblk!=NULL].
9824 | Fixed problem in .NET API where using a resolver event callback and/or a source cost callback can cause crashes after garbage collection.

## Persistence Fixed Problems and Limitations for 6.9.2 <-

The following bug fixes apply to UMP and UMQ products.

Change Request | Description
--- | ---
9902 | Fixed problem where session IDs were printed to the Store log file in an inconsistent way, sometimes signed, sometimes unsigned. Session IDs are now always printed unsigned.
9920 | Fixed problem in Store where use of Receiver-Paced Persistence can lead to a Store segmentation fault during startup.

## Queuing Fixed Problems and Limitations for 6.9.2 <-

The following bug fixes apply to the UMQ product.

- None.

## Dynamic Router Fixed Problems and Limitations for 6.9.2 <-

The following bug fixes apply to the Dynamic Routing Option (DRO).

- None.

# Special Upgrade Instructions for 6.9.2 <-

There are no upgrade instructions specific to 6.9.2. However, if you are upgrading from a version prior to 6.8, then you must examine the Special Upgrade Instructions for 6.8.

Also see Deprecations.